20741497

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 4079495

約数列:

[1, 7, 37, 53, 259, 371, 1511, 1961, 10577, 13727, 55907, 80083, 391349, 560581, 2963071, 20741497]

約数ペア:

[(1, 20741497), (7, 2963071), (37, 560581), (53, 391349), (259, 80083), (371, 55907), (1511, 13727), (1961, 10577)]